Home / 286,512,547.36-429,607,381.56-99,680,809.36

Finding the Fourth Proportional to 286,512,547.36, 429,607,381.56 and 99,680,809.36

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Solution

The fourth proportional to 286,512,547.36, 429,607,381.56 and 99,680,809.36 is: 149,465,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,512,547.36 : 429,607,381.56 = 99,680,809.36 : x
  2. Step 2: Convert to fraction form
    286,512,547.36/429,607,381.56 = 99,680,809.36/x
  3. Step 3: Cross multiply
    286,512,547.36x = 429,607,381.56 × 99,680,809.36
  4. Step 4: Simplify right side
    286,512,547.36x = 42,823,611,500,931,136
  5. Step 5: Solve for x
    x = 42,823,611,500,931,136/286,512,547.36
  6. Step 6: Final answer
    x = 149,465,047.50

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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.