Home / 207,918,988.16-286,931,587.02-113,831,547.08

Finding the Fourth Proportional to 207,918,988.16, 286,931,587.02 and 113,831,547.08

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Solution

The fourth proportional to 207,918,988.16, 286,931,587.02 and 113,831,547.08 is: 157,089,387.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918,988.16 : 286,931,587.02 = 113,831,547.08 : x
  2. Step 2: Convert to fraction form
    207,918,988.16/286,931,587.02 = 113,831,547.08/x
  3. Step 3: Cross multiply
    207,918,988.16x = 286,931,587.02 × 113,831,547.08
  4. Step 4: Simplify right side
    207,918,988.16x = 32,661,866,456,606,244
  5. Step 5: Solve for x
    x = 32,661,866,456,606,244/207,918,988.16
  6. Step 6: Final answer
    x = 157,089,387.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.