Home / 125,672,515.02-173,355,852.83-78,547,804.36

Finding the Fourth Proportional to 125,672,515.02, 173,355,852.83 and 78,547,804.36

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Solution

The fourth proportional to 125,672,515.02, 173,355,852.83 and 78,547,804.36 is: 108,350,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,672,515.02 : 173,355,852.83 = 78,547,804.36 : x
  2. Step 2: Convert to fraction form
    125,672,515.02/173,355,852.83 = 78,547,804.36/x
  3. Step 3: Cross multiply
    125,672,515.02x = 173,355,852.83 × 78,547,804.36
  4. Step 4: Simplify right side
    125,672,515.02x = 13,616,721,611,925,664
  5. Step 5: Solve for x
    x = 13,616,721,611,925,664/125,672,515.02
  6. Step 6: Final answer
    x = 108,350,832.40

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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.