Home / 78,883,630.79-118,331,393.81-23,547,094.50

Finding the Fourth Proportional to 78,883,630.79, 118,331,393.81 and 23,547,094.50

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Solution

The fourth proportional to 78,883,630.79, 118,331,393.81 and 23,547,094.50 is: 35,322,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883,630.79 : 118,331,393.81 = 23,547,094.50 : x
  2. Step 2: Convert to fraction form
    78,883,630.79/118,331,393.81 = 23,547,094.50/x
  3. Step 3: Cross multiply
    78,883,630.79x = 118,331,393.81 × 23,547,094.50
  4. Step 4: Simplify right side
    78,883,630.79x = 2,786,360,511,688,312.50
  5. Step 5: Solve for x
    x = 2,786,360,511,688,312.50/78,883,630.79
  6. Step 6: Final answer
    x = 35,322,417.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.